13651 (1997 BR)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3057196436 ± 2.00e+00
Semi-major axis (a)1.3355167428 AU ± 3.00e+00
Inclination (i)17.25106998° ± 4.00e+00
Long. of Asc. Node (Ω)116.63266649° ± 5.00e+00
Arg. of Perihelion (ω)133.85013400° ± 6.00e+00
Mean Anomaly (M)158.08218214° ± 2.39e-04
Mean Motion (n)0.6386137583°/day ± 2.15e+00
Perihelion dist (q)0.92722304 AU ± 3.39e+00
Aphelion dist (Q)1.74381045 AU ± 4.74e+00
Orbital Period1.54338404 yr ± 5.20e+00
NGA Modelr2
A2-5.66360100e-07 AU/d²
Physical Parameters
H (abs. magnitude)17.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.404″
Uncertainty0
Orbit TypeApollo
MOID0.015858 AU
Observations Used1064
Gaia Obs Used38
Oppositions13
Arc Total1980-2017
First Observation Used1980-02-09
Last Observation Used2026-01-13
Observations (1113)
Date Type RA Dec Mag Band Observatory
2017-01-16 10:26:11 C 07 50 46.47 +20 29 33.2 L T05
2017-01-16 11:24:59 C 07 50 40.85 +20 30 43.3 L T05
2017-01-16 11:39:05 C 07 50 39.45 +20 30 59.8 L T05
2017-01-16 12:14:40 C 07 50 36.07 +20 31 42.0 L T05
2017-01-18 10:38:44 C 07 46 16.64 +21 27 23.3 q 703
2017-01-18 10:45:21 C 07 46 16.06 +21 27 31.6 q 703
2017-01-18 10:51:59 C 07 46 15.40 +21 27 39.8 q 703
2017-01-18 10:58:41 C 07 46 14.71 +21 27 47.1 q 703
2017-01-18 14:04:18 C 07 45 58.44 +21 31 28.2 o C94
2017-01-18 14:08:20 C 07 45 58.02 +21 31 32.7 o C94
2017-01-18 14:21:06 C 07 45 56.81 +21 31 48.7 o C94
2017-01-20 23:30:54 C 07 40 26.38 +22 41 25.3 q 160
2017-01-20 23:32:51 C 07 40 26.08 +22 41 29.0 q 160
2017-01-20 23:34:47 C 07 40 25.89 +22 41 31.1 q 160
2017-01-24 10:21:38 C 07 32 15.06 +24 22 43.8 L T05
2017-01-24 10:46:43 C 07 32 12.42 +24 23 14.5 L T05
2017-01-24 11:04:38 C 07 32 10.56 +24 23 35.9 L T05
2017-01-24 11:20:43 C 07 32 08.84 +24 23 55.3 L T05
2017-01-24 11:34:53 C 07 32 07.41 +24 24 12.5 L T05
2017-01-25 23:43:26 C 07 28 31.01 +25 07 55.6 q 160
2017-01-25 23:45:25 C 07 28 30.80 +25 07 58.7 q 160
2017-01-25 23:47:24 C 07 28 30.60 +25 08 01.1 q 160
2017-01-26 05:11:52 C 07 27 58.78 +25 14 35.8 q G96
2017-01-26 05:18:04 C 07 27 58.13 +25 14 43.4 q G96
2017-01-26 05:24:25 C 07 27 57.47 +25 14 51.1 q G96
2017-01-26 05:30:40 C 07 27 56.82 +25 14 58.7 q G96
2017-01-26 08:04:10 C 07 27 40.55 +25 18 01.5 q H45
2017-01-26 08:05:29 C 07 27 40.43 +25 18 03.3 q H45
2017-01-26 08:06:52 C 07 27 40.27 +25 18 04.7 q H45
2017-01-26 08:08:15 C 07 27 40.13 +25 18 06.6 q H45
2017-01-26 08:09:27 C 07 27 40.01 +25 18 07.9 q H45
2017-01-26 08:10:38 C 07 27 39.90 +25 18 09.5 q H45
2017-01-27 02:41:47 C 07 25 49.99 +25 40 25.4 q W34
2017-01-27 02:54:16 C 07 25 48.68 +25 40 41.0 q W34
2017-01-27 03:07:47 C 07 25 47.28 +25 40 57.0 q W34
2017-01-27 03:19:49 C 07 25 46.02 +25 41 11.0 q W34
2017-01-28 07:17:49 C 07 22 57.98 +26 14 31.2 q H45
2017-01-28 07:19:26 C 07 22 57.79 +26 14 33.3 q H45
2017-01-28 07:21:15 C 07 22 57.63 +26 14 35.6 q H45
2017-01-28 07:22:52 C 07 22 57.44 +26 14 37.2 q H45
2017-01-28 07:24:52 C 07 22 57.25 +26 14 39.5 q H45
2017-01-28 07:26:18 C 07 22 57.11 +26 14 41.2 q H45
2017-01-28 09:51:59 C 07 22 43.02 +26 17 39.3 L T05
2017-01-28 10:09:59 C 07 22 41.12 +26 18 00.4 L T05
2017-01-28 10:38:10 C 07 22 38.19 +26 18 33.1 L T05
2017-01-28 10:47:24 C 07 22 37.24 +26 18 44.4 L T05
2017-01-28 11:07:17 C 07 22 35.11 +26 19 07.3 L T05
2017-01-29 05:15:19 C 07 20 48.11 +26 40 28.1 q 703
2017-01-29 05:21:59 C 07 20 47.40 +26 40 36.2 q 703
2017-01-29 05:28:09 C 07 20 46.79 +26 40 43.7 q 703
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1997-07-01 20:40:00 375473.1 0.5 Hz 8510 -14 -14
2014-06-27 11:19:00 -13963.7631 0.07 Hz 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)